Three chairs of the steamer type, all maimed, comprised the furniture of this roof-garden, with […] on one of the copings a row of four red clay flower-pots filled with sun-baked dust from which gnarled and rusty stalks thrust themselves up like withered elfin limbs.

He’s forced to travel back to 1969 to prevent an evil alien (a shockingly effective, nearly unrecognizable Jemaine Clement of Flight Of The Conchords, playing sort of a psychotic extraterrestrial-biker serial killer) from destroying the world by killing Brolin. Smith is aided in his quest by an elfin, time-jumping alien with psychic powers played by another Coen brothers veteran, A Serious Man star Michael Stuhlbarg.